Add LICENSES. Set up pre-commit with reuse and pylint disabled.

Author: rsbohn

.pre-commit-config.yaml

@@ -0,0 +1,34 @@
+# SPDX-FileCopyrightText: 2020 Diego Elio Pettenò
+#
+# SPDX-License-Identifier: Unlicense
+
+repos:
+-   repo: https://github.com/python/black
+    rev: 20.8b1
+    hooks:
+    - id: black
+#-   repo: https://github.com/fsfe/reuse-tool
+#    rev: v0.12.1
+#    hooks:
+#    - id: reuse
+-   repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v2.3.0
+    hooks:
+    -   id: check-yaml
+    -   id: end-of-file-fixer
+    -   id: trailing-whitespace
+#-   repo: https://github.com/pycqa/pylint
+#    rev: pylint-2.7.1
+#    hooks:
+#    -   id: pylint
+#        name: pylint (library code)
+#        types: [python]
+#        exclude: "^(docs/|examples/|setup.py$)"
+-   repo: local
+    hooks:
+    -   id: pylint_examples
+        name: pylint (examples code)
+        description: Run pylint rules on "examples/*.py" files
+        entry: /usr/bin/env bash -c
+        args: ['([[ ! -d "examples" ]] || for example in $(find . -path "./examples/*.py"); do pylint --disable=missing-docstring,invalid-name $example; done)']
+        language: system